What is a intumescent collar?

What is a intumescent collar?

Fire Wraps and Collars An intumescent pipe wrap provides up to four hours fire protection but can be used within the wall itself. They are simple to install and require no maintenance, making them a quick and easy solution. Pipe wraps will provide up to four hours of fire protection.

What is a intumescent fire collar?

QWR CE Marked Intumescent Fire Collars prevent the spread of fire where PVC, HDPE & PP pipes penetrate fire compartment walls and floors.

What does a intumescent collar prevent?

Pipe collars are used in these situations to stop the spread of fire. They are fitted around the pipe and on exposure to heat from a fire they rapidly expand inwards to squeeze the collapsing plastic pipe until the aperture is completely sealed.

What is the purpose of a fire collar?

Fire collars are designed to maintain the integrity and the fire resistance level of a building element where building service penetrations pass through. They stop heat, smoke, fire and gas moving between compartments of a building.

What size pipe requires a fire collar?

Though our Firestop-814+ Intumescent Firestop Sealant has UL testing for pipes up to 2 inches in diameter without the use of a collar, many inspectors require a firestop collar on 1.5-inch and 2-inch pipes. As with extensions of our published firestop data, we recommend checking with the AHJ before installation.

Where should fire collars be fitted?

The collar should fit where the pipe penetrates through the separating surface. Then position and close so you can mark the bolt holes to allow you to drill them. Once drilled, you can put the collar back in position and secure by closing the toggle clasp.

Where would an intumescent collar be used?

An intumescent collar is either fitted or rebated into ceilings, floors or walls where services pass through. Cools down metal, steel and copper pipes, able to compartmentalise fires before they spread across buildings.

Where do you put a fire collar?

Are fire collars required on both sides?

To correctly install on a wall penetration, a collar is needed on BOTH sides of the wall. For floors/ceilings, a collar on one side is enough.

What size pipe needs a fire collar?

The size refers to the inside diameter of the collar, so to fit around a 55mm pipe, you will need a 55mm pipe collar. These have a hinge which allows you to put the collar around the pipe with ease when you install the pipework.

  • September 7, 2022